AVIXA CTS Online Access

When designing an AVB (Audio Video Bridging) system, ensuring that the network electronics (such as switches, routers, and network interface cards) are AVB compliant is critical. AVB is a set of standards developed to facilitate the transmission of audio and video data over Ethernet networks with precise timing and low latency. AVB-compliant network electronics are essential for maintaining the quality and synchronization of audio and video streams in such systems.

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In audio technology, EQ (equalization) refers to the process of adjusting the balance between different frequency components of an audio signal. EQ types are specifically designed tools that allow sound engineers to manipulate frequencies in different ways. The types of EQ generally fall into categories like graphic, parametric, shelving, and band-pass, among others.

A parametric EQ is a type of equalizer that offers control over three primary parameters:

Frequency – the specific frequency to be adjusted.

Gain – the amount of boost or cut applied to the selected frequency.

Q (Quality Factor) – the bandwidth or range of frequencies affected around the selected frequency.

Unlike other choices, a parametric EQ provides precise control over these settings, making it highly versatile in audio production. The other options are not types of EQ but rather different types of audio processing tools:

Gate: Used to control the amplitude of an audio signal, often to suppress noise below a certain threshold.

Limiter: A dynamics processor that prevents a signal from exceeding a set level.

Compressor: Reduces the dynamic range of an audio signal by attenuating louder parts above a threshold.

CTS Technology Specialist Reference

The use of parametric EQ is a standard practice in AV system design, as outlined in the CTS (Certified Technology Specialist) training materials, which discuss various EQ types and their applications in optimizing audio fidelity. Parametric EQs are favored in professional settings for their flexibility and control over specific frequencies, as compared to fixed-frequency or limited-band EQs.

For a project with several critical components and a fixed schedule, confirming lead times is vital. Lead times refer to the amount of time it takes for components to be delivered from the supplier to the project site. By confirming and managing lead times, the company can ensure that all necessary components arrive on time, preventing delays and enabling the project to proceed according to the planned schedule. This is essential for meeting deadlines and ensuring project success.

The frequency identified by the numbers above each slider of a graphic equalizer is the center frequency. The center frequency is the specific frequency that each slider controls, allowing the user to boost or cut the amplitude of that frequency and those in its immediate vicinity. This helps in fine-tuning the audio signal to achieve the desired sound quality.